SB2019121925 - Improper authorization in Synapse
Published: December 19, 2019 Updated: January 9, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Authorization (CVE-ID: N/A)
The vulnerability allows a remote attacker to gain unauthorized access to certain functionality.
The vulnerability exists due to software does not check if the even belongs to a certain room before returning it. A remote authenticated user can gain access to events that belong to another room.
Remediation
Install update from vendor's website.